/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/NiagaraNode.h
Write out the specific entries of this pin to the visitor hash.
virtual bool PinAppendCompileHash ( const [UEdGraphPin](API\Runtime\Engine\EdGraph\UEdGraphPin) * InPin, [FNiagaraCompileHashVisitor](API\Plugins\Niagara\FNiagaraCompileHashVisitor) * InVisitor ) const